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comparison.pas
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comparison.pas
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unit Comparison;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
Buttons, ComCtrls, IBConnection, sqldb, QueryWindow, LCLType, turbocommon,
dbugintf;
type
{ TfmComparison }
TfmComparison = class(TForm)
bbClose: TSpeedButton;
bbStart: TBitBtn;
bbCancel: TBitBtn;
cbComparedDatabase: TComboBox;
cxIgnoreLength: TCheckBox;
cxRemovedObjects: TCheckBox;
cxDomains: TCheckBox;
cxRoles: TCheckBox;
cxExceptions: TCheckBox;
cxTriggers: TCheckBox;
cxGenerators: TCheckBox;
cxTables: TCheckBox;
cxStoredProcs: TCheckBox;
cxUDFs: TCheckBox;
cxViews: TCheckBox;
GroupBox1: TGroupBox;
GroupBox2: TGroupBox;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
laScript: TLabel;
laDatabase: TLabel;
laComparedDatabase: TLabel;
meLog: TMemo;
StatusBar1: TStatusBar;
procedure bbCancelClick(Sender: TObject);
procedure bbCloseClick(Sender: TObject);
procedure bbStartClick(Sender: TObject);
procedure cbComparedDatabaseChange(Sender: TObject);
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
procedure laScriptClick(Sender: TObject);
private
FDBIndex: Integer;
FDiffCount: Integer;
FDBObjectsList: array [0 .. NumObjects - 1] of TStringList; //matches turbocmmon.dbObjects
FDBExistingObjectsList: array [0 .. NumObjects - 1] of TStringList; //matches turbocmmon.dbObjects
FDBRemovedObjectsList: array [0 .. NumObjects - 1] of TStringList; //matches turbocmmon.dbObjects
FMissingFieldsList: TStringList;
FExistFieldsList: TStringList;
FModifiedFieldsList: TStringList;
FExistIndicesList: TStringList;
FModifiedIndicesList: TStringList;
FExistConstraintsList: TStringList;
FModifiedConstraintsList: TStringList;
FModifiedViewsList: TStringList;
FModifiedTriggersList: TStringList;
FModifiedProceduresList: TStringList;
FModifiedFunctionsList: TStringList;
FModifiedDomainsList: TStringList;
FRemovedFieldsList: TStringList;
FQueryWindow: TfmQueryWindow;
FCanceled: Boolean;
procedure CheckRemovedDBObjects;
procedure DisplayStatus(AStatus: string);
procedure CheckMissingIndices;
procedure CheckMissingConstraints;
procedure CheckMissingDBObjects;
procedure CheckMissingFields;
procedure CheckModifiedFields;
procedure CheckModifiedIndices;
procedure CheckModifiedConstraints;
procedure CheckModifiedViews;
procedure CheckModifiedTriggers;
procedure CheckModifiedProcedures;
procedure CheckModifiedFunctions;
procedure CheckModifiedDomains;
procedure CheckRemovedIndices;
procedure CheckRemovedConstraints;
procedure CheckRemovedFields;
procedure InitializeQueryWindow;
procedure ScriptMissingFields;
// Script missing indexes as CREATE INDEX (no primary key or other constraints)
// Requires missing objects to be set up first
procedure ScriptMissingIndexes;
procedure ScriptModifiedFields;
procedure ScriptModifiedIndices;
procedure ScriptModifiedConstraints;
procedure ScriptModifiedViews;
procedure ScriptModifiedTriggers;
procedure ScriptModifiedProcedures;
procedure ScriptModifiedFunctions;
procedure ScriptModifiedDomains;
// Outputs script to remove db objects to query window
// Requires FDBRemovedObjectsList to be filled in advance
procedure ScriptRemovedDBObjects;
procedure ScriptRemovedFields;
public
procedure Init(dbIndex: Integer);
{ public declarations }
end;
var
fmComparison: TfmComparison;
implementation
{$R *.lfm}
{ TfmComparison }
uses Main, SysTables, Scriptdb;
procedure TfmComparison.cbComparedDatabaseChange(Sender: TObject);
var
ComparedDBIndex: Integer;
Connected: Boolean;
begin
ComparedDBIndex:= cbComparedDatabase.ItemIndex;
if ComparedDBIndex = FDBIndex then
begin
ShowMessage('Cannot compare database with itself');
cbComparedDatabase.ItemIndex:= -1;
end
else
if (ComparedDBIndex <> -1) then
begin
Connected:= True;
if (fmMain.RegisteredDatabases[ComparedDBIndex].RegRec.Password = '') then
Connected:= fmMain.ConnectToDBAs(ComparedDBIndex);
if not Connected then
begin
bbStart.Enabled:= False;
cbComparedDatabase.ItemIndex:= -1;
end;
if Connected then
with fmMain.RegisteredDatabases[ComparedDBIndex].RegRec do
begin
laComparedDatabase.Caption:= DatabaseName;
bbStart.Enabled:= True;
end;
end;
end;
procedure TfmComparison.bbStartClick(Sender: TObject);
begin
meLog.Clear;
meLog.Visible:= False;
FDiffCount:= 0;
StatusBar1.Color:= clBlue;
bbCancel.Enabled:= True;
FCanceled:= False;
Screen.Cursor := crHourglass;
try
DisplayStatus('Searching for missing DB Objects...');
CheckMissingDBObjects;
Application.ProcessMessages;
if cxTables.Checked and not FCanceled then
begin
CheckMissingIndices;
if not FCanceled then
CheckMissingConstraints;
if not FCanceled then
CheckMissingFields;
if not FCanceled then
CheckModifiedFields;
if not FCanceled then
CheckModifiedIndices;
if not FCanceled then
CheckModifiedConstraints;
end;
Application.ProcessMessages;
DisplayStatus('Searching for modified DB Objects...');
if cxViews.Checked and not FCanceled then
CheckModifiedViews;
Application.ProcessMessages;
if cxTriggers.Checked and not FCanceled then
CheckModifiedTriggers;
Application.ProcessMessages;
if cxStoredProcs.Checked and not FCanceled then
CheckModifiedProcedures;
Application.ProcessMessages;
if cxUDFs.Checked and not FCanceled then
CheckModifiedFunctions;
Application.ProcessMessages;
if cxDomains.Checked and not FCanceled then
CheckModifiedDomains;
Application.ProcessMessages;
DisplayStatus('Searching for removed DB Objects...');
if cxRemovedObjects.Checked and not FCanceled then
CheckRemovedDBObjects;
Application.ProcessMessages;
if cxTables.Checked and cxRemovedObjects.Checked and not FCanceled then
CheckRemovedFields;
Application.ProcessMessages;
StatusBar1.Color:= clDefault;
if not FCanceled then
begin
DisplayStatus('Comparison Finished, ' + IntToStr(FDiffCount) + ' difference(s) found');
if FDiffCount = 0 then
meLog.Text:= 'No difference';
meLog.Visible:= True;
end
else
DisplayStatus('Canceled');
bbCancel.Enabled:= False;
finally
Screen.Cursor := crDefault;
end;
end;
procedure TfmComparison.bbCloseClick(Sender: TObject);
begin
Close;
Parent.Free;
end;
procedure TfmComparison.bbCancelClick(Sender: TObject);
begin
FCanceled:= True;
laScript.Enabled:= False;
end;
procedure TfmComparison.FormClose(Sender: TObject; var CloseAction: TCloseAction);
var
i: Integer;
begin
for i:= Low(FDBObjectsList) to High(FDBObjectsList) do
FDBObjectsList[i].Free;
for i:= Low(FDBExistingObjectsList) to High(FDBExistingObjectsList) do
FDBExistingObjectsList[i].Free;
for i:= Low(FDBRemovedObjectsList) to High(FDBRemovedObjectsList) do
FDBRemovedObjectsList[i].Free;
CloseAction:= caFree;
end;
procedure TfmComparison.FormCreate(Sender: TObject);
begin
FMissingFieldsList:= TStringList.Create;
FExistFieldsList:= TStringList.Create;
FModifiedFieldsList:= TStringList.Create;
FExistIndicesList:= TStringList.Create;
FModifiedIndicesList:= TStringList.Create;
FExistConstraintsList:= TStringList.Create;
FModifiedConstraintsList:= TStringList.Create;
FModifiedViewsList:= TStringList.Create;
FModifiedTriggersList:= TStringList.Create;
FModifiedProceduresList:= TStringList.Create;
FModifiedFunctionsList:= TStringList.Create;
FModifiedDomainsList:= TStringList.Create;
FRemovedFieldsList:= TStringList.Create;
end;
procedure TfmComparison.FormDestroy(Sender: TObject);
begin
FMissingFieldsList.Free;
FExistFieldsList.Free;
FModifiedFieldsList.Free;
FExistIndicesList.Free;
FModifiedIndicesList.Free;
FExistConstraintsList.Free;
FModifiedConstraintsList.Free;
FModifiedViewsList.Free;
FModifiedTriggersList.Free;
FModifiedProceduresList.Free;
FModifiedFunctionsList.Free;
FModifiedDomainsList.Free;
FRemovedFieldsList.Free;
end;
procedure TfmComparison.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if (ssCtrl in Shift) and
((Key=VK_F4) or (Key=VK_W)) then
begin
if MessageDlg('Do you want to close this query window?', mtConfirmation, [mbNo, mbYes], 0) = mrYes then
begin
// Close when pressing Ctrl-W or Ctrl-F4 (Cmd-W/Cmd-F4 on OSX)
Close;
Parent.Free;
end;
end;
end;
procedure TfmComparison.laScriptClick(Sender: TObject);
var
ObjectType: TObjectType;
i: Integer;
ObjectCounter: integer;
ScriptList: TStringList;
ViewBody: string;
Columns: string;
SPOwner: string;
ModuleName, EntryPoint, Params: string;
Line: string;
CheckConstraint: string; //for domain check constraints
CharacterSet: string;
Collation: string;
DomainType, DefaultValue: string;
DomainSize: Integer;
ExceptionMesage, ExceptionDescription, ExceptionSQL: string;
ATableName, AIndexName: string;
FieldsList: TStringList;
Unique, Ascending: Boolean;
KeyName, CurrentTableName, CurrentFieldName,
OtherTableName, OtherFieldName, UpdateRule, DeleteRule: string;
IsPrimary: Boolean;
ConstraintName: string;
begin
{todo: if posssible merge this with create object statements generated
in scriptdb code}
InitializeQueryWindow;
ScriptList:= TStringList.Create;
FieldsList:= TStringList.Create;
try
// Do this in rough order of dependency so a table can depend on a domain
if cxRemovedObjects.Checked then
begin
ScriptRemovedDBObjects;
if cxTables.Checked then
ScriptRemovedFields;
end;
// Tables etc can depend on domains so have domains in front
if cxDomains.Checked then
ScriptModifiedDomains;
// Presumably table check constraints can depend on UDFs so put
// UDFs fairly in front
if cxUDFs.Checked then
ScriptModifiedFunctions;
if cxTables.Checked then
begin
ScriptMissingFields;
ScriptModifiedFields;
ScriptModifiedIndices;
ScriptModifiedConstraints;
end;
if cxViews.Checked then
ScriptModifiedViews;
if cxTriggers.Checked then
ScriptModifiedTriggers;
if cxStoredProcs.Checked then
ScriptModifiedProcedures;
dmSysTables.Init(FDBIndex);
FQueryWindow.meQuery.Lines.Add('');
// Easiest would have been to have
// for ObjectType:= low(TObjectType) to high(TObjectType)
// but that does not take dependencies into account
// e.g. domains need to be created before tables that depend on them
// So we use a manual mapping table
for ObjectCounter:= ord(low(TObjectType)) to ord(high(TObjectType)) do
begin
case ObjectCounter of
ord(otTables): ObjectType:= otRoles; //these depend on nothing
ord(otGenerators): ObjectType:= otExceptions; //these depend on nothing
ord(otTriggers): ObjectType:= otDomains; //tables,views,procs can depend
ord(otViews): ObjectType:= otUDF; //table check constraints can depend on these
ord(otStoredProcedures): ObjectType:= otSystemTables; //for completeness
ord(otUDF): ObjectType:= otTables; //from here on, more or less follow regular order
ord(otSystemTables): ObjectType:= otGenerators;
ord(otDomains): ObjectType:= otTriggers;
ord(otRoles): ObjectType:= otViews;
ord(otExceptions): ObjectType:= otStoredProcedures;
ord(otUsers): ObjectType:= otIndexes;
ord(otIndexes): ObjectType:= otConstraints;
ord(otConstraints): ObjectType:= otUsers; //for completeness
else raise Exception.Create('Technical error: laScriptClick: update case clause with all TObjectTypes');
end;
if (ObjectType = otTables) and cxTables.Checked then // Tables
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
Scriptdb.ScriptTableAsCreate(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], ScriptList);
FQueryWindow.meQuery.Lines.AddStrings(ScriptList);
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otGenerators) and cxGenerators.Checked then // Generators
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
FQueryWindow.meQuery.Lines.Add('create generator ' + FDBObjectsList[ord(ObjectType)].Strings[i] + ';');
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otTriggers) and cxTriggers.Checked then // Triggers
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
dmSysTables.ScriptTrigger(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], ScriptList, True);
FQueryWindow.meQuery.Lines.AddStrings(ScriptList);
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otViews) and cxViews.Checked then // Views
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
fmMain.GetViewInfo(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], Columns, ViewBody);
ScriptList.Text:= Trim(ViewBody);
FQueryWindow.meQuery.Lines.Add('CREATE VIEW "' + FDBObjectsList[ord(ObjectType)].Strings[i] + '" (' + Columns + ')');
FQueryWindow.meQuery.Lines.Add('AS');
ScriptList.Text:= Trim(ViewBody);
FQueryWindow.meQuery.Lines.AddStrings(ScriptList);
FQueryWindow.meQuery.Lines.Add(' ;');
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otStoredProcedures) and cxStoredProcs.Checked then // Stored proc
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Text:= fmMain.GetStoredProcBody(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], SPOwner);
ScriptList.Insert(0, 'SET TERM ^ ;');
ScriptList.Insert(1, 'CREATE Procedure ' + FDBObjectsList[ord(ObjectType)].Strings[i]);
ScriptList.Add('^');
ScriptList.Add('SET TERM ; ^');
ScriptList.Add('');
FQueryWindow.meQuery.Lines.AddStrings(ScriptList);
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otUDF) and cxUDFs.Checked then // UDF
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
ScriptList.Add('Declare External Function "' + FDBObjectsList[ord(ObjectType)].Strings[i] + '"');
if fmMain.GetUDFInfo(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], ModuleName, EntryPoint, Params) then
begin
RemoveParamClosing(Params);
ScriptList.Add(Params);
ScriptList.Add('ENTRY_POINT ' + QuotedStr(EntryPoint));
ScriptList.Add('MODULE_NAME ' + QuotedStr(ModuleName) + ';');
ScriptList.Add('');
end;
FQueryWindow.meQuery.Lines.AddStrings(ScriptList);
end
else
if (ObjectType = otDomains) and cxDomains.Checked then // Domains
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
dmSysTables.GetDomainInfo(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i], DomainType, DomainSize, DefaultValue, CheckConstraint, CharacterSet, Collation);
Line:= 'Create Domain ' + FDBObjectsList[ord(ObjectType)].Strings[i] + ' as ' + DomainType;
// String size
if Pos('CHAR', DomainType) > 0 then
Line:= Line + '(' + IntToStr(DomainSize) + ')';
// Default value, if any
if DefaultValue<>'' then
Line:= Line + ' ' + DefaultValue;
// Check constraint, if any:
if CheckConstraint <> '' then
Line:= Line + ' ' + CheckConstraint;
{ Character sets not supported for domains apparently at
least not in Firebird 2.5
if CharacterSet <> '' then
Line:= Line + ' CHARACTER SET ' + CharacterSet;
}
// Collation for text types, if any:
if Collation <> '' then
Line:= Line + ' COLLATE ' + Collation;
Line:= Line+' ;';
FQueryWindow.meQuery.Lines.Add(Line);
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otRoles) and cxRoles.Checked then // Roles
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
FQueryWindow.meQuery.Lines.Add('create role ' + FDBObjectsList[ord(ObjectType)].Strings[i] + ';');
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otExceptions) and cxExceptions.Checked then // Exceptions
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
ScriptList.Clear;
FQueryWindow.meQuery.Lines.Add('-- CREATE OR ALTER EXCEPTION supported since Firebird 2.0');
if (dmSysTables.GetExceptionInfo(FDBIndex, FDBObjectsList[ord(ObjectType)].Strings[i],
ExceptionMesage, ExceptionDescription, ExceptionSQL, true)) then
FQueryWindow.meQuery.Lines.Add(ExceptionSQL)
else
raise Exception.Create('Error scripting exception '+FDBObjectsList[ord(ObjectType)].Strings[i]);
FQueryWindow.meQuery.Lines.Add('');
end
else
if (ObjectType = otTables) and cxTables.Checked then // Indices are part of tables
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
Line:= FDBObjectsList[ord(ObjectType)].Strings[i];
ATableName:= copy(Line, 1, Pos(',', Line) - 1);
System.Delete(Line, 1, Pos(',', Line));
AIndexName:= Line;
ScriptList.Clear;
if dmSysTables.GetIndexInfo(FDBIndex, ATableName, AIndexName, FieldsList, ConstraintName, Unique,
Ascending, IsPrimary) then
begin
if IsPrimary then
begin
Line:= 'alter table ' + ATableName + LineEnding +
'add constraint ' + AIndexName + LineEnding +
'primary key (' + FieldsList.CommaText + ');';
end
else
begin
Line:= 'create ';
if Unique then
Line:= Line + 'unique ';
if not Ascending then
Line:= Line + 'descending ';
Line:= Line + 'index ' + AIndexName + ' on ' + ATableName;
Line:= Line + ' (' + FieldsList.CommaText + ') ;';
end;
FQueryWindow.meQuery.Lines.Add(Line);
FQueryWindow.meQuery.Lines.Add('');
end
else
FQueryWindow.meQuery.Lines.Add('-- Index ' + AIndexName + ' does not exist on ' + ATableName);
end
else
if (ObjectType = otConstraints) and cxTables.Checked then // Constraints are part of tables
for i:= 0 to FDBObjectsList[ord(ObjectType)].Count - 1 do
begin
Line:= FDBObjectsList[ord(ObjectType)].Strings[i];
ATableName:= copy(Line, 1, Pos(',', Line) - 1);
System.Delete(Line, 1, Pos(',', Line));
ConstraintName:= Line;
ScriptList.Clear;
if dmSysTables.GetConstraintInfo(FDBIndex, ATableName, ConstraintName, KeyName, CurrentTableName, CurrentFieldName,
OtherTableName, OtherFieldName, UpdateRule, DeleteRule) then
begin
Line:= 'alter table ' + ATableName + ' add constraint ' + ConstraintName +
' foreign key (' + CurrentFieldName + ') references ' + OtherTableName +
' (' + dmSysTables.GetConstraintForeignKeyFields(OtherFieldName, dmSysTables.sqQuery) + ') ';
if Trim(UpdateRule) <> 'RESTRICT' then
Line:= Line + ' on update ' + Trim(UpdateRule);
if Trim(DeleteRule) <> 'RESTRICT' then
Line:= Line + ' on delete ' + Trim(DeleteRule);
FQueryWindow.meQuery.Lines.Add(Line + ';');
FQueryWindow.meQuery.Lines.Add('');
end
else
FQueryWindow.meQuery.Lines.Add('-- Constraint ' + ConstraintName + ' does not exist on ' + ATableName);
end;
end;
finally
ScriptList.Free;
FieldsList.Free;
end;
// Missing indices may have dependencies on tables created in block above,
// so wait until now to create them
if cxTables.Checked then
begin
ScriptMissingIndexes;
end;
FQueryWindow.Show;
end;
procedure TfmComparison.DisplayStatus(AStatus: string);
begin
StatusBar1.Panels[0].Text:= AStatus;
Application.ProcessMessages;
end;
procedure TfmComparison.CheckMissingDBObjects;
var
List, ComparedList: TStringList;
Count: Integer;
ObjectType: TObjectType;
i: Integer;
begin
List:= TStringList.Create;
ComparedList:= TStringList.Create;
try
for ObjectType:= Low(TObjectType) to High(TObjectType) do
begin
if ((ObjectType = otTables) and cxTables.Checked) or
((ObjectType = otGenerators) and cxGenerators.Checked) or
((ObjectType = otTriggers) and cxTriggers.Checked) or
((ObjectType = otViews) and cxViews.Checked) or
((ObjectType = otStoredProcedures) and cxStoredProcs.Checked) or
((ObjectType = otUDF) and cxUDFs.Checked) or
{otSystemTables: system tables are not compared }
((ObjectType = otDomains) and cxDomains.Checked) or
((ObjectType = otRoles) and cxRoles.Checked) or
((ObjectType = otExceptions) and cxExceptions.Checked)
{otUsers are not compared}
then
begin
meLog.Lines.Add('');
meLog.Lines.Add('Checking Missing ' + dbObjects[ord(ObjectType)] + ':');
List.CommaText:= dmSysTables.GetDBObjectNames(FDBIndex, ObjectType, Count);
Application.ProcessMessages;
if FCanceled then
Exit;
ComparedList.CommaText:= dmSysTables.GetDBObjectNames(cbComparedDatabase.ItemIndex, ObjectType, Count);
FDBObjectsList[ord(ObjectType)].Clear;
FDBExistingObjectsList[ord(ObjectType)].Clear;
for i:= 0 to List.Count -1 do
begin
if ComparedList.IndexOf(List[i]) = -1 then // Does not exist
begin
meLog.Lines.Add(' ' + List[i]);
FDBObjectsList[ord(ObjectType)].Add(List[i]);
Inc(FDiffCount);
end
else // Exists
FDBExistingObjectsList[ord(ObjectType)].Add(List[i]);
end;
end;
end;
laScript.Enabled:= True;
finally
ComparedList.Free;
List.Free;
end;
end;
procedure TfmComparison.CheckRemovedDBObjects;
var
List: TStringList; //objects in current db
ComparedList: TStringList; //objects in compared db
Count: Integer;
ObjectType: TObjectType;
i: Integer;
begin
List:= TStringList.Create;
ComparedList:= TStringList.Create;
try
for ObjectType:= Low(TObjectType) to High(TObjectType) do
if ((ObjectType = otTables) and cxTables.Checked) or
((ObjectType = otGenerators) and cxGenerators.Checked) or
((ObjectType = otTriggers) and cxTriggers.Checked) or
((ObjectType = otViews) and cxViews.Checked) or
((ObjectType = otStoredProcedures) and cxStoredProcs.Checked) or
((ObjectType = otUDF) and cxUDFs.Checked) or
{otSystemTables: system tables are not compared }
((ObjectType = otDomains) and cxDomains.Checked) or
((ObjectTYpe = otRoles) and cxRoles.Checked) or
((ObjectType = otExceptions) and cxExceptions.Checked)
{otUsers are not checked}
then
begin
meLog.Lines.Add('');
meLog.Lines.Add('Checking Removed ' + dbObjects[ord(ObjectType)] + ':');
List.CommaText:= dmSysTables.GetDBObjectNames(FDBIndex, ObjectType, Count);
{$IFDEF NEVER}
//Left for debugging
Senddebug('current '+dbobjects[ord(ObjectType)]+': '+List.CommaText);
Sleep(40);
{$ENDIF}
ComparedList.CommaText:= dmSysTables.GetDBObjectNames(cbComparedDatabase.ItemIndex, ObjectType, Count);
{$IFDEF NEVER}
//Left for debugging
Senddebug('compared '+dbobjects[ord(ObjectType)]+': '+ComparedList.CommaText);
Sleep(40);
{$ENDIF}
FDBRemovedObjectsList[ord(ObjectType)].Clear;
for i:= 0 to ComparedList.Count -1 do
begin
if List.IndexOf(ComparedList[i]) = -1 then // Removed
begin
meLog.Lines.Add(' ' + ComparedList[i]);
FDBRemovedObjectsList[ord(ObjectType)].Add(ComparedList[i]);
Inc(FDiffCount);
end;
end;
end;
CheckRemovedIndices;
CheckRemovedConstraints;
finally
ComparedList.Free;
List.Free;
end;
end;
procedure TfmComparison.CheckMissingFields;
var
i, j: Integer;
FieldsList: TStringList;
ComparedList: TStringList;
begin
FieldsList:= TStringList.Create;
ComparedList:= TStringList.Create;
try
meLog.Lines.Add('');
meLog.Lines.Add('Missing fields');
FMissingFieldsList.Clear;
FExistFieldsList.Clear;
for i:= 0 to FDBExistingObjectsList[ord(otTables)].Count - 1 do
begin
// Check for cancel button press
Application.ProcessMessages;
if FCanceled then
Exit;
dmSysTables.GetTableFields(FDBIndex, FDBExistingObjectsList[ord(otTables)].Strings[i], FieldsList);
dmSysTables.GetTableFields(cbComparedDatabase.ItemIndex, FDBExistingObjectsList[ord(otTables)].Strings[i], ComparedList);
// Get missing fields
for j:= 0 to FieldsList.Count - 1 do
if ComparedList.IndexOf(FieldsList[j]) = -1 then // Add to missing list
begin
meLog.Lines.Add(' ' + FDBExistingObjectsList[ord(otTables)].Strings[i] + ': ' + FieldsList[j]);
FMissingFieldsList.Add(FDBExistingObjectsList[ord(otTables)].Strings[i] + ',' + FieldsList[j]);
Inc(FDiffCount);
end
else // Add to existing list
FExistFieldsList.Add(FDBExistingObjectsList[ord(otTables)].Strings[i] + ',' + FieldsList[j]);
end;
finally
FieldsList.Free;
ComparedList.Free;
end;
end;
procedure TfmComparison.CheckModifiedFields;
var
i: Integer;
Line: string;
ATableName: string;
AFieldName: string;
FieldSize, CFieldSize: integer;
FieldScale, CFieldScale: integer;
FieldType, DefaultValue, Characterset, Collation, Description: string;
CFieldType, CDefaultValue, CCharacterset, CCollation, CDescription: string;
NotNull, CNotNull: Boolean;
begin
meLog.Lines.Add('');
meLog.Lines.Add('Modified Fields');
FModifiedFieldsList.Clear;
for i:= 0 to FExistFieldsList.Count - 1 do
begin
// Check for cancel button press
Application.ProcessMessages;
if FCanceled then
Exit;
Line:= FExistFieldsList[i];
ATableName:= copy(Line, 1, Pos(',', Line) - 1);
System.Delete(Line, 1, Pos(',', Line));
AFieldName:= Line;
// Read all field properties
dmSysTables.GetFieldInfo(FDBIndex, ATableName, AFieldName,
FieldType, FieldSize, FieldScale, NotNull,
DefaultValue, CharacterSet, Collation, Description);
dmSysTables.GetFieldInfo(cbComparedDatabase.ItemIndex, ATableName, AFieldName,
CFieldType, CFieldSize, CFieldScale, CNotNull,
CDefaultValue, CCharacterSet, CCollation, CDescription);
// Compare
if (FieldType <> CFieldType) or
((FieldSize <> CFieldSize) and (not cxIgnoreLength.Checked)) or
((FieldScale <> CFieldScale) and (not cxIgnoreLength.Checked)) or
(NotNull <> CNotNull) or
(Characterset <> CCharacterset) or
(Collation <> CCollation) or
(DefaultValue <> CDefaultValue) or
(Description <> CDescription) then
begin
meLog.Lines.Add(' ' + FExistFieldsList[i]);
FModifiedFieldsList.Add(FExistFieldsList[i]);
Inc(FDiffCount);
end;
end;
end;
procedure TfmComparison.CheckModifiedIndices;
var
i: Integer;
Line: string;
ATableName: string;
AIndexName: string;
FieldsList: TStringList;
Unique, Ascending: Boolean;
CFieldsList: TStringList;
CUnique, CAscending: Boolean;
IsPrimary: Boolean;
ConstraintName: string;
CConstraintName: string;
begin
meLog.Lines.Add('');
meLog.Lines.Add('Modified Indices');
FModifiedIndicesList.Clear;
FieldsList:= TStringList.Create;
CFieldsList:= TStringList.Create;
try
for i:= 0 to FExistIndicesList.Count - 1 do
begin
// Check for cancel button press
Application.ProcessMessages;
if FCanceled then
Exit;
Line:= FExistIndicesList[i];
ATableName:= copy(Line, 1, Pos(',', Line) - 1);
System.Delete(Line, 1, Pos(',', Line));
AIndexName:= Line;
// Read all Index properties
dmSysTables.GetIndexInfo(FDBIndex, ATableName, AIndexName, FieldsList, ConstraintName, Unique, Ascending, IsPrimary);
dmSysTables.GetIndexInfo(cbComparedDatabase.ItemIndex, ATableName, AIndexName, CFieldsList, CConstraintName,
CUnique, CAscending, IsPrimary);
// Compare
if (FieldsList.CommaText <> CFieldsList.CommaText) or (Unique <> CUnique) or (Ascending <> CAscending) then
begin
meLog.Lines.Add(' ' + FExistIndicesList[i]);
FModifiedIndicesList.Add(FExistIndicesList[i]);
Inc(FDiffCount);
end;
end;
finally
FieldsList.Free;
CFieldsList.Free;
end;
end;
procedure TfmComparison.CheckModifiedConstraints;
var
i: Integer;
Line: string;
ATableName: string;
AConstraintName: string;
KeyName, CurrentTableName, CurrentFieldName,
OtherTablename, OtherFieldName, UpdateRole, DeleteRole: string;
CKeyName, CCurrentTableName, CCurrentFieldName,
COtherTablename, COtherFieldName, CUpdateRule, CDeleteRule: string;
Exists: Boolean;
OtherFieldNames, COtherFieldNames: string;
begin
meLog.Lines.Add('');
meLog.Lines.Add('Modified Constraints');
FModifiedConstraintsList.Clear;
for i:= 0 to FExistConstraintsList.Count - 1 do
begin
// Check for cancel button press
Application.ProcessMessages;
if FCanceled then
Exit;
Line:= FExistConstraintsList[i];
ATableName:= copy(Line, 1, Pos(',', Line) - 1);
System.Delete(Line, 1, Pos(',', Line));
AConstraintName:= Line;
// Read all contraint properties
Exists:= (dmSysTables.GetConstraintInfo(FDBIndex, ATableName, AConstraintName, KeyName, CurrentTableName, CurrentFieldName,
OtherTablename, OtherFieldName, UpdateRole, DeleteRole));
if Exists then
OtherFieldNames:= dmSysTables.GetConstraintForeignKeyFields(OtherFieldName, dmSysTables.sqQuery);
if Exists then
begin
Exists:= dmSysTables.GetConstraintInfo(cbComparedDatabase.ItemIndex, ATableName,
AConstraintName, CKeyName,
CCurrentTableName, CCurrentFieldName,
COtherTablename, COtherFieldName,
CUpdateRule, CDeleteRule);
end;
if Exists then
COtherFieldNames:= dmSysTables.GetConstraintForeignKeyFields(COtherFieldName, dmSysTables.sqQuery)
else
meLog.Lines.Add('-- Error: Constraint: ' + AConstraintName + ' does not exist on table: ' + ATableName);
// Compare
if Exists and (
(CurrentTableName <> CCurrentTableName) or
(CurrentFieldName <> CCurrentFieldName) or
(OtherTablename <> COtherTablename) or
(OtherFieldNames <> COtherFieldNames) or
(UpdateRole <> CUpdateRule) or
(DeleteRole <> CDeleteRule)
) then
begin
meLog.Lines.Add(' ' + FExistConstraintsList[i]);
FModifiedConstraintsList.Add(FExistConstraintsList[i]);
Inc(FDiffCount);
end;
end;
end;
procedure TfmComparison.CheckModifiedViews;
var
i: Integer;
ViewName: string;
Columns, Body: string;
CColumns, CBody: string;
begin
meLog.Lines.Add('');
meLog.Lines.Add('Modified Views');
FModifiedViewsList.Clear;
for i:= 0 to FDBExistingObjectsList[ord(otViews)].Count - 1 do
begin
// Check for cancel button press
Application.ProcessMessages;
if FCanceled then
Exit;
ViewName:= FDBExistingObjectsList[ord(otViews)][i];
fmMain.GetViewInfo(FDBIndex, ViewName, Columns, Body);
// Compare
if fmMain.GetViewInfo(cbComparedDatabase.ItemIndex, ViewName, CColumns, CBody) then
if (Trim(Body) <> Trim(CBody)) then
begin
meLog.Lines.Add(' ' + ViewName);
FModifiedViewsList.Add(ViewName);
Inc(FDiffCount);
end;
end;
end;